6.6 Search Source
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6.1 Class Name 
6.2 Class Overview 
6.3 Chapter Project 
6.4 Class Link 
6.5 Key Segment 
6.6 Search Source 
[Home][6 Input][6.6 Search Source]

 

6.6   Search Source Button

The search source can be:

  •    Search-Directory,
  •    Search-File,
  •    Sub-Directory, and
  •    Segment-File.

For more information, please see the ImageFinder Users Guide. The Type button specifies the search-source:

      string [] strMode = { "Dir", "File", "Sub Dir", "F Segment" };

          internal int iMode = 0;

 

private void button3_Click(object sender, System.EventArgs e)

        {

            iMode = (iMode + 1 )% strMode.Length ;

 

                  if (iMode == 0 )

                      button3.Text = strMode[0];

                  else if (iMode == 1 )

                      button3.Text = strMode[1];

                  else if (iMode == 2 )

                      button3.Text = strMode[2];

                  else if (iMode == 3 )

                      button3.Text = strMode[3];

          }

Now, we implement the Source button:

      private void button2_Click(object sender, System.EventArgs e)

              {

                  input.searchSource( iMode );

              }

which in turn, calls the following function in the Input class:

      public void searchSource (int iMode)

              {

                  if ( iMode == 0 )

                      searchSource0 ();

                  else if ( iMode == 1 )

                      searchSource1 ();

                  else if ( iMode == 2 )

                      searchSource2 ();

                  else if ( iMode == 3 )

                      searchSource3 ();

                  else

                      searchSource0 ();

              }//searchSource

The search source can be:

  •    Search-Directory,
  •    Search-File,
  •    Sub-Directory, and
  •    Segment-File.

For Search-Directory, the implementation is:

    private void searchSource0 ()//dir

          {

              if ( f.openFileDialog1.ShowDialog () != DialogResult.OK )

                  return;

              string cDir = System.IO.Directory.GetCurrentDirectory();

       

              f.textBox2.Text = cDir;

              f.richTextBox1.AppendText ( cDir +"\n" );

       

              filelist = in70.getDirList(cDir);

       

              if ( filelist == null )

                  return;

              if ( filelist.Length == 0 )

                  return;

       

              f.richTextBox1.Text ="";

              for (int i= 0; i < filelist.Length ; i++ )

                  f.richTextBox1.AppendText ("" + i + " " +filelist[i] +"\n" );

       

              f.pictureBox2.Image = new Bitmap  (filelist[0] );

              f.richTextBox1.AppendText ( "Display the first image!\n" );

          }

The first section of code gets the current search directory via the open file dialog:

      if ( f.openFileDialog1.ShowDialog () != DialogResult.OK )

              return;

          string cDir = System.IO.Directory.GetCurrentDirectory();

The next section gets a string list of the image paths:

      filelist = in70.getDirList(cDir);

The third section prints the string list of the image paths:

      f.richTextBox1.Text ="";

          for (int i= 0; i < filelist.Length ; i++ )

              f.richTextBox1.AppendText ("" + i + " " +filelist[i] +"\n" );

The last section displays the first images:

      f.pictureBox2.Image = new Bitmap  (filelist[0] );

To test, run the software and click the first image in folder, c:\transapplet70\ex_wheel.

Now, we implement Search-File:

        private void searchSource1 ()//file

        {

            if ( f.openFileDialog1.ShowDialog () != DialogResult.OK )

                return;

            string cDir = f.openFileDialog1.FileName ;

     

            f.textBox2.Text = cDir;

            f.richTextBox1.AppendText ( cDir +"\n" );

     

            filelist = in70.getFileList (cDir);

     

            if ( filelist == null )

                return;

            if ( filelist.Length == 0 )

                return;

     

            f.richTextBox1.Text ="";

            for (int i= 0; i < filelist.Length ; i++ )

                 f.richTextBox1.AppendText ( "" + i + " " +filelist[i] +"\n" );

     

            f.pictureBox2.Image = new Bitmap  (filelist[0] );

            f.richTextBox1.AppendText ( "Display the first image!\n" );

        }

 

There is only one line difference between Search-Directory and Search-File:

    filelist = in70.getFileList (cDir);

The rest of the code is identical to Search Directory.

To test, run the software and select file, c:\transapplet70\ex_wheel\input_file1.txt.

Now, we implement Sub-Directory and File-Segment:

          private void searchSource2 ()//sub

          {

              if ( f.openFileDialog1.ShowDialog () != DialogResult.OK )

                  return;

              string cDir = System.IO.Directory.GetCurrentDirectory();

       

              f.textBox2.Text = cDir;

              f.richTextBox1.AppendText ( cDir +"\n" );

       

              filelist = in70.getSubDirList (cDir);

              if ( filelist == null )

                  return;

              if ( filelist.Length == 0 )

                  return;

       

              f.richTextBox1.Text ="";

              for (int i= 0; i < filelist.Length ; i++ )

                  f.richTextBox1.AppendText ( "" + i + " " +filelist[i] +"\n" );

       

              f.pictureBox2.Image = new Bitmap  (filelist[0] );

              f.richTextBox1.AppendText ( "Display the first image!\n" ); 

          }

       

              private void searchSource3 ()

              {

                  if ( f.openFileDialog1.ShowDialog () != DialogResult.OK )

                      return;

                  string cDir = f.openFileDialog1.FileName ;

       

                  f.textBox2.Text = cDir;

                  f.richTextBox1.AppendText ( cDir +"\n" );

       

                  filelist = in70.getFileSegmentList (cDir);

       

                  if ( filelist == null )

                      return;

                  if ( filelist.Length == 0 )

                      return;

       

                  f.richTextBox1.Text ="";

                  for (int i= 0; i < filelist.Length ; i++ )

                      f.richTextBox1.AppendText ( "" + i + " " +filelist[i] +"\n" );

                      

                  f.pictureBox2.Image = new Bitmap  (filelist[0] );

                  f.richTextBox1.AppendText ( "Display the first image!\n" );

              }

Again, there is only one line difference between Search-Directory and these two functions.

To test the Sub-Directory, run the software and click the first image in folder,  c:\transapplet70\ex_wheel\.

To test Segment-File, run the software and select file, c:\transapplet70\ex_wheel\ input_filesegment1.txt.

 

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